Blue Meanie shrooms are known for their vivid blue bruising and offer an above average intensity potency. Effects include happiness, laughter, enhanced euphoria and deep thoughts. Buy the best Blue Meanie magic mushrooms in Canada. The Blue Meanie mushroom hails from southeast Australia and is considered to be a very potent mushroom. Any mushroom that can survive the inhospitable terrain of Australia has to be very STRONG. Blue Meanie magic mushrooms get their name from their famously blue stems, which indicate their.